When the outdoors become too hot to bear escape inside your home and enjoy the refreshing cool air that the Optimus 2-Speed Twin Window Fan has to offer. This 7-inch home fan maintains your perfect internal temperature so you can remain calm cool and collected at all times. Powered by a rain-resistant ultra-efficient motor this window fan provides long-lasting airflow inside your home. The versatile design is equipped with removable legs so the high-powered appliance can stand upright or be mounted to a window. A built-in carry handle allows you to easily move the cooling fan wherever you need fresh air. This twin window fan comes fully assembled and requires no tools for an effortless installation so you can enjoy your customized environment right away. Equipped with easy-to-use manual controls the Optimus Twin Window fan pulls cool air in and exhausts stale air out of your home. With both side speed control built-in adjustable slide screens and a safety grill this fan is built with user convenience in mind.